#
#   Copyright (c) 2021 Project CHIP Authors
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
#

# This function is only needed to prevent find_package from polluting the global
# variable namespace before loading Zephyr CMake module. Without this workaround
# the build may fail because Zephyr calls find_package(Python3) with different
# constraints and CMake is not able to handle such a scenario.
function(check_nrfconnect_version)
    find_package(Python3 REQUIRED)

    # Check nRF Connect SDK version in the CMake configuration phase
    execute_process(
        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/../../..
        COMMAND ${Python3_EXECUTABLE} scripts/setup/nrfconnect/update_ncs.py --check --quiet)

    # Check nRF Connect SDK version in the build phase
    add_custom_target(check-nrfconnect-version ALL
        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/../../..
        COMMAND ${Python3_EXECUTABLE} scripts/setup/nrfconnect/update_ncs.py --check --quiet || (exit 0)
        USES_TERMINAL)
endfunction()

check_nrfconnect_version()
